公开(公告)号：US11618837B2

公开(公告)日：2023-04-04

申请号：US16615770

申请日：2018-05-14

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ji Ho Kim ,  Ji Won Kang ,  Jin Young Lee ,  Jae Hyun Han ,  Byeong Do Kwak ,  Il Jin Kim ,  Sung Hyun Mun ,  Gwang Hwan Lee ,  Ik Hwan Cho ,  In Chui Hwang

IPC: C09J11/08 ,  C09J7/38 ,  C09J7/29 ,  C08K7/22 ,  C08L33/06 ,  C08L33/08 ,  C08L47/00 ,  C09J4/00 ,  B82Y30/00

Abstract: Provided are an adhesive film, an optical member including the same, and an optical display device including the same, the adhesive film being formed from a monomer mixture comprising an alkyl group-containing acrylate and a hydroxyl group-containing acrylate, wherein the adhesive film has a modulus of 80 kPa or less at −20° C., and the adhesive film has a value of 40% to 140% in equation 1 at 25° C.

公开(公告)号：US10829671B2

公开(公告)日：2020-11-10

申请号：US15198977

申请日：2016-06-30

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ik Hwan Cho ,  Ji Ho Kim ,  Jee Hee Kim ,  Ji Won Kang ,  Byeong Do Kwak ,  Yong Tae Kim ,  Il Jin Kim ,  Sung Hyun Mun ,  Hyung Rang Moon ,  Seon Hee Shin ,  Gwang Hwan Lee ,  Woo Jin Lee ,  Jae Hyun Han

IPC: C09J133/08 ,  C09J7/10

Abstract: An adhesive film and a display member including the same are disclosed. The adhesive film is formed of an adhesive composition including: a copolymer of a monomer mixture including a hydroxyl group-containing (meth)acrylate and a comonomer; and nanoparticles. The adhesive film has a creep at −20° C. of about 50 μm to about 100 μm and a gel fraction of about 50% to about 75%.

公开(公告)号：US20200347270A1

公开(公告)日：2020-11-05

申请号：US16933853

申请日：2020-07-20

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ji Ho Kim ,  Hyung Rang Moon ,  II Jin Kim ,  Byeong Do Kwak ,  Jee Hee Kim ,  Sung Hyun Mun ,  Seon Hee Shin ,  Gwang Hwan Lee ,  Woo Jin Lee ,  Eun Hwa Lee ,  lk Hwan Cho ,  Jae Hyun Han

IPC: C09J7/10 ,  C09J133/08 ,  C09J133/06 ,  C09J7/22 ,  C09J7/38 ,  C08L53/02

Abstract: An adhesive film has an average slope of about −9.9 to about 0, as measured over a temperature range of about −20° C. to about 80° C. in a graph depicting a temperature-dependent storage modulus distribution of the adhesive film where the x-axis represents temperature (° C.) and the y-axis represents storage modulus (kPa). The adhesive film also has a storage modulus at about 80° C. of about 10 kPa to about 1,000 kPa.

公开(公告)号：US10283865B2

公开(公告)日：2019-05-07

申请号：US15165415

申请日：2016-05-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyun Seock Roh ,  Sang Bong Sung ,  Seong Yong An ,  Se Woong Kim ,  Ji Ho Kim ,  Gyu Bok Park ,  Kyung Moon Seol ,  Shin Ho Yoon

IPC: H01Q1/24 ,  H01Q5/50 ,  H04W4/80 ,  H01Q1/48 ,  H01Q9/04 ,  H01Q5/307 ,  H01Q5/328 ,  H01Q5/00 ,  H01Q21/28 ,  H01Q3/24 ,  H01Q7/00 ,  H01Q9/30

Abstract: An electronic device is provided. The electronic device includes a housing including a first surface, a second surface facing the first surface, and side surfaces surrounding a space between the first surface and the second surface, a first conductive member and a second conductive member forming at least part of the side surfaces, being parallel to the first surface, and extending parallel to each other, a first nonconductive member disposed between the first conductive member and the second conductive member to electrically isolate the first conductive member and the second conductive member from each other, and a communication circuit that performs wireless communication by using the first conductive member and the second conductive member as radiators.

公开(公告)号：US10259978B2

公开(公告)日：2019-04-16

申请号：US15211624

申请日：2016-07-15

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ji Ho Kim ,  Byeong Do Kwak ,  Il Jin Kim ,  Kenji Hamada ,  Yong Tae Kim ,  Hyung Rang Moon ,  Woo Jin Lee ,  Ik Hwan Cho ,  In Chul Hwang

IPC: C09J7/30 ,  C09J133/08 ,  C08F220/18 ,  C08F265/06 ,  C08F285/00 ,  C09J4/06 ,  C09J133/06 ,  C09J151/00 ,  C09J7/22

Abstract: An adhesive film, an optical member including the same, and an optical display including the same are disclosed. The adhesive film has a folding evaluation parameter 1 of about 900% to about 1,300% at 25° C., as calculated by Equation 1 and a folding evaluation parameter 2 of about 40% to about 95% at 60° C., as calculated by Equation 2, and includes a hydroxyl group-containing (meth)acrylic copolymer.

公开(公告)号：US12297382B2

公开(公告)日：2025-05-13

申请号：US16933853

申请日：2020-07-20

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ji Ho Kim ,  Hyung Rang Moon ,  Il Jin Kim ,  Byeong Do Kwak ,  Jee Hee Kim ,  Sung Hyun Mun ,  Seon Hee Shin ,  Gwang Hwan Lee ,  Woo Jin Lee ,  Eun Hwa Lee ,  Ik Hwan Cho ,  Jae Hyun Han

IPC: C09J7/10 ,  C08L53/02 ,  C09J7/00 ,  C09J7/22 ,  C09J7/38 ,  C09J133/06 ,  C09J133/08 ,  C09J4/00

Abstract: An adhesive film has an average slope of about −9.9 to about 0, as measured over a temperature range of about −20° C. to about 80° C. in a graph depicting a temperature-dependent storage modulus distribution of the adhesive film where the x-axis represents temperature (° C.) and the y-axis represents storage modulus (kPa). The adhesive film also has a storage modulus at about 80° C. of about 10 kPa to about 1,000 kPa.

公开(公告)号：US11492516B2

公开(公告)日：2022-11-08

申请号：US14976408

申请日：2015-12-21

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae Hyun Han ,  Hyung Rang Moon ,  Byeong Do Kwak ,  Il Jin Kim ,  Ji Ho Kim ,  Sung Hyun Mun ,  Gwang Hwan Lee

IPC: C09J133/08 ,  C09J7/02 ,  C09J7/10 ,  C09J7/38 ,  C08K3/013

Abstract: An adhesive film is formed of an adhesive composition that includes a monomer mixture including a hydroxyl group-containing (meth)acrylate and a comonomer, and nanoparticles. The adhesive film has a glass transition temperature (Tg) of about −20° C. or less, an index of refraction of about 1.40 to about 1.55, and a haze of about 3% or less at a thickness of 100 μm.

公开(公告)号：US11056767B2

公开(公告)日：2021-07-06

申请号：US15956377

申请日：2018-04-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sung Chul Park ,  Kyi Hyun Jang ,  Bum Jin Cho ,  Kyung Kyun Kang ,  Ji Ho Kim ,  Gyu Bok Park ,  Kyung Moon Seol ,  Hyun Jeong Lee

IPC: H01Q1/24 ,  H01Q7/00

Abstract: An electronic device includes a first antenna configured to transmit and receive a first signal of a first frequency band, and a housing in which the first antenna is accommodated, wherein the housing includes a first conductor having a first slit that at least partially overlaps the first antenna, wherein the first conductor is formed of a metal and at least a portion of the first slit is filled with a metal oxide. Additionally, the electronic device includes a second conductor configured to transmit and receive a second signal of a second frequency band, and a second slit formed between the first conductor and the second conductor, and wherein the second slit is filled with a material that has an external appearance that is different from that of the second conductor.

公开(公告)号：US10676654B2

公开(公告)日：2020-06-09

申请号：US15491699

申请日：2017-04-19

Applicant: SAMSUNG SDI CO., LTD. ,  SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyung Rang Moon ,  Byeong Do Kwak ,  Il Jin Kim ,  Ji Ho Kim ,  Sung Hyun Mun ,  Seon Hee Shin ,  Gwang Hwan Lee ,  Jin Young Lee ,  Ik Hwan Cho ,  Jae Hyun Han

IPC: C09J133/08

Abstract: An adhesive film, an optical member including the same, and an optical display including the same are provided. The adhesive film is formed of a monomer mixture including a hydroxyl group-containing (meth)acrylate and an alkyl group-containing (meth)acrylate, and has a bubble generation area ratio of 0%, as measured on a specimen (length×width: 13 cm×3 cm) by repeating the described cycle 10 times, in which the specimen is prepared by sequentially stacking a polyethylene terephthalate film (thickness: 50 μm), the adhesive film (thickness: 100 μm) and a polyethylene terephthalate film (thickness: 100 μm) to have a three-layer structure, and is bent towards the PET film (thickness: 50 μm) such that the specimen is placed between frames having a gap of about 1 cm therebetween and the length of the specimen is halved and the cycle is sequentially accomplished for 24 hours.

公开(公告)号：US10665927B2

公开(公告)日：2020-05-26

申请号：US15944116

申请日：2018-04-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyung Kyun Kang ,  Ji Ho Kim ,  Kyung Moon Seol ,  Gyu Bok Park ,  Hyun Jeong Lee ,  Kyi Hyun Jang ,  Hyo Seok Na ,  So Young Lee ,  Jae Bong Chun

IPC: H01Q1/24 ,  H01Q9/04 ,  H01Q1/48 ,  H01Q1/42 ,  H01Q5/328

Abstract: An electronic device is provided. The electronic device includes a housing comprising a first plate, a second plate, and a side member surrounding a space between the first and second plates, a wireless communication circuit that feeds a first feeding point in the second plate, a ground plane electrically coupled to a first ground point and a second ground point in the second plate, and a processor. The side member includes a first side, a second side, a third side, and a fourth side. The first feeding point is between the second side and the first ground point, the first feeding point being closer to the second side than the first ground point is to the second side, and the second ground point being closer to the second side than the first feeding point and the first ground point is to the second side, and is outside the region.